<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../vue.js"></script>
</head>

<body>
    <div id="app">
        <div>{{sex===1?'男':'女'}}</div>
        <div>{{'¥'+price}}</div>
        <div>{{fag?'正确':'错误'}}</div>
        <!-- <div>{{var a =1;}}</div>
        <div>{{if(sex){}}}</div> -->
    </div>

</body>
<script>
    new Vue({
        el: '#app',
        data: {
            sex: 1,
            price: 18.1,
            fag: false
        }
    })
</script>

</html>